21528708

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{26777}}^1$

素因数の和:26851

約数の個数: 24

約数和(自身を含む): 50985312

約数和(自身を除く): 29456604

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 26777, 53554, 80331, 107108, 160662, 321324, 1794059, 3588118, 5382177, 7176236, 10764354, 21528708]

約数ペア:

[(1, 21528708), (2, 10764354), (3, 7176236), (4, 5382177), (6, 3588118), (12, 1794059), (67, 321324), (134, 160662), (201, 107108), (268, 80331), (402, 53554), (804, 26777)]